<!DOCTYPE html>
<!--
  ~ Copyright 2013 Laurent Bovet <laurent.bovet@windmaster.ch>
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  -->
<html>
<head>
    <meta charset="utf-8">
    <link rel="stylesheet" href="css/docson.css">
    <script src="lib/require.js"></script>
    <script>
        require(["docson", "lib/jquery"], function(docson) {
            $(function () {
                var embedded = window.parent !== window;
                if (embedded) {
                    $("body").addClass("embedded");
                    $("doc").addClass("embedded");
                    $("#form").hide();
                }
                $("#url").keypress(function (event) {
                    if (event.keyCode == 13) {
                        window.location.hash = $(this).val();
                    }
                });
                $(window).on('hashchange', function () {
                    update();
                });
                update();
                var url;
                function update() {
                    if (window.location.hash) {
                        $("#form").hide();
                        url = decodeURIComponent(window.location.hash.substring(1));
                        var segments = url.split("$");
                        if(segments[0]) {
                            function render(schema) {
                                try {
                                    docson.doc("doc", schema, segments[1], segments[0].replace(/\/[^\/]*\/?$/, '/')).done(function() {
                                        maybeExpand(segments);
                                    });
                                } catch (e) {
                                    error("Could not parse schema: " + e.message + "<pre>" + $('<pre/>').text(schema).html() + "</pre>");
                                }
                            }

                            if(/\.ts$/.test(segments[0])) {
                                require.config( { baseUrl: "../typson" } );
                                require(["lib/typson-schema"], function(typson) {
                                    typson.definitions(segments[0]).done(render);
                                });
                            } else {
                                $.get(segments[0])
                                        .done(render)
                                        .fail(function (xhr, status, err) {
                                            error("Could not load " + segments[0].replace(/[\u00A0-\u9999<>\&]/gim, function(i) {
                                                   return '&#'+i.charCodeAt(0)+';';
                                            }) + ": " + status + " " + err);
                                        });
                            }
                        }
                        function receiveMessage(event) {
                            console.log(">", event)
                            if(event.data.id && event.data.id == "docson") {
                                if(event.data.type) {
                                    try {
                                        docson.doc("doc", event.data.definitions, event.data.type).done(function() {
                                            maybeExpand(segments);
                                        });
                                    } catch (e) {
                                        error("Could not parse schema: " + e.message + "<pre>" + $('<pre/>').text(event.data.definitions).html() + "</pre>");
                                    }
                                }
                                if(event.data.action == "resize") {
                                    $("#doc").get(0).resized();
                                }
                                if(event.data.font) {
                                    console.log(event.data.font)
                                    $("#doc").css("font-family", event.data.font);
                                }
                            }
                        }
                        window.addEventListener("message", receiveMessage, false);
                        var host = window.opener || window.parent;
                        host.postMessage( { id: "docson", action: "ready", url: url}, "*");
                    } else {
                        $("#doc").empty();
                        $("#form").show();
                    }
                }

                function maybeExpand(segments) {
                    if(segments.indexOf("expand") >0 ) {
                        $("#doc").find(".expand-button").html(" - ").attr("title", "Collapse all");
                        $("#doc").find(".signature-type-expandable").addClass("signature-type-expanded");
                        $("#doc").find(".box-container").show();
                        $("#doc").find(".expand-button").attr("expanded", true);
                    }
                }

                function error(message) {
                    $("#form").show();
                    $("#doc").html($("<div/>").addClass("error")
                            .html(message));
                }

                var doc = $('#doc').get(0);
                if(embedded) {
                    doc.onresize =  function(width, height) {
                        window.parent.postMessage( { id: "docson", action: "resized", url: url, width: width, height: height}, "*");
                    }
                }
            });
        });
    </script>
    <style>
        body {
            font-family: Open Sans, sans-serif;
        }

        #form {
            display: none;
        }

        #form input[type=text] {
            border-radius: 6px;
            -moz-border-radius: 6px;
            -webkit-border-radius: 6px;
        }

        .embedded {
            margin: 0px;
            padding: 0px;
        }
    </style>
</head>
<body>
<div id="form">
    Please enter a schema URL:
    <input type="text" id="url" size="60">
</div>
<div id="doc"></div>
</body>
</html>
